spread-obj-manipulate-outter-obj-in-getter.js (1491B)
1 // This file was procedurally generated from the following sources: 2 // - src/spread/obj-manipulate-outter-obj-in-getter.case 3 // - src/spread/default/member-expr.template 4 /*--- 5 description: Getter manipulates outter object before it's spread operation (`new` operator) 6 esid: sec-new-operator-runtime-semantics-evaluation 7 features: [object-spread] 8 flags: [generated] 9 info: | 10 MemberExpression : new MemberExpression Arguments 11 12 1. Return EvaluateNew(MemberExpression, Arguments). 13 14 12.3.3.1.1 Runtime Semantics: EvaluateNew 15 16 6. If arguments is empty, let argList be an empty List. 17 7. Else, 18 a. Let argList be ArgumentListEvaluation of arguments. 19 [...] 20 21 Pending Runtime Semantics: PropertyDefinitionEvaluation 22 23 PropertyDefinition:...AssignmentExpression 24 25 1. Let exprValue be the result of evaluating AssignmentExpression. 26 2. Let fromValue be GetValue(exprValue). 27 3. ReturnIfAbrupt(fromValue). 28 4. Let excludedNames be a new empty List. 29 5. Return CopyDataProperties(object, fromValue, excludedNames). 30 31 ---*/ 32 var o = { a: 0, b: 1 }; 33 var cthulhu = { get x() { 34 delete o.a; 35 o.b = 42; 36 o.c = "ni"; 37 }}; 38 39 var callCount = 0; 40 41 new function(obj) { 42 assert.sameValue(obj.hasOwnProperty("a"), false); 43 assert.sameValue(obj.b, 42); 44 assert.sameValue(obj.c, "ni"); 45 assert(obj.hasOwnProperty("x")); 46 assert.sameValue(Object.keys(obj).length, 3); 47 callCount += 1; 48 }({...cthulhu, ...o}); 49 50 assert.sameValue(callCount, 1); 51 52 reportCompare(0, 0);